CVE-2026-73581

Description

Improper Check for Certificate Revocation vulnerability in Apache Tomcat. Both the OpenSSL and OpenSSL-FFM TLS implementations ignore CRLs when certificate uses a keystore. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.58, from 9.0.0-M1 through 9.0.121. The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100. Other unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.26, 10.1.59, 9.0.122, which fixes the issue.

Overview

State: PUBLISHED
Assigner (CNA): apache
CVSS severity: —
CVSS score: —
CVSS vector: —
Effective score: 6.5 / 10 MEDIUM source: NVD
CWE(s): CWE-299
Reserved: 2026-08-13
Published: 2026-09-23 11:08 UTC
Last updated: 2026-09-23 18:10 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/73xxx/CVE-2026-73581.json

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published: 2026-09-23 12:17:06 UTC
NVD last modified: 2026-09-23 19:19:13 UTC
NVD CVSS v3.1: 6.5 / 10 MEDIUM source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Exploitability subscore: 3.9 / 10
Impact subscore: 2.5 / 10

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2026-85222
Assigner: apache
Published: Sep 23, 2026, 11:08:53 AM
Updated: Sep 23, 2026, 6:10:39 PM
EUVD base score (CVSS 3.1): 6.5 / 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
EUVD-reported EPSS: 0.0000
Vendors: Apache Software Foundation
Products: Apache Tomcat (10.1.0-M1 ≤10.1.59)

Apache Tomcat (11.0.0-M1 ≤11.0.25)

Apache Tomcat (9.0.0.M1 ≤9.0.121)

Apache Tomcat (8.5.0 ≤8.50.100)
Aliases: GHSA-cf68-55f3-8gfw

ENISA description: Improper Check for Certificate Revocation vulnerability in Apache Tomcat. Both the OpenSSL and OpenSSL-FFM TLS implementations ignore CRLs when certificate uses a keystore. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.58, from 9.0.0-M1 through 9.0.121. The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100. Other unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.26, 10.1.59, 9.0.122, which fixes the issue.

EUVD references (1)

https://lists.apache.org/thread/r0dj3h1pbn4wv96fhsfrnz3t6874t6do

Affected products (1)

Vendor	Product	Versions	Platforms
Apache Software Foundation	Apache Tomcat	`11.0.0-M1` (affected), `10.1.0-M1` (affected), `9.0.0.M1` (affected), `8.5.0` (affected), `0` (unaffected)	—

Vendor references (1)

References embedded in the original CVE record by the assigning CNA.

https://lists.apache.org/thread/r0dj3h1pbn4wv96fhsfrnz3t6874t6do vendor-advisory

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

NVD-tagged references (2)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

http://www.openwall.com/lists/oss-security/2026/09/23/19 af854a3a-2127-422b-91ae-364da2661108
https://lists.apache.org/thread/r0dj3h1pbn4wv96fhsfrnz3t6874t6do security@apache.org

Remediations (10)

CVE-2026-73581 - MEDIUM Vulnerability - AnonHaven

web:anonhaven.com

Improper Check for Certificate Revocation vulnerability in Apache Tomcat. Both the OpenSSL and OpenSSL-FFM TLS implementations ignore CRLs when certificate uses a keystore. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.58, from 9.0.0-M1 through 9.0.121. The following versions were EOL at the time the CVE …

2026-09-24 11:51 UTC
CVE-2026-73581 - Vulnerability Details - OpenCVE

web:app.opencve.io

Remediation No vendor fix or workaround currently provided. OpenCVE Recommended Actions Apply the vendor‑published update to the Apache Tomcat installation, updating to version 11.0.26, 10.1.59, or 9.0.122, which includes the CRL‑checking fix .

2026-09-24 11:51 UTC
CVE-2026-73581: Apache Tomcat Vulnerability (CVSS 6.5) | CVETodo

web:cvetodo.com

CVE-2026-73581 is a CVSS 6.5 medium-severity vulnerability in Apache Tomcat. Full technical analysis, mitigations , and exploit status — updated in real time.

2026-09-24 11:51 UTC
Debian-cve-2026-73581 - Osv

web:osv.dev

Comprehensive vulnerability database for your open source projects and dependencies.

2026-09-24 11:51 UTC
CVE-2026-73581 - Improper Certificate Revocation Check in…

web:vulmon.com

Vulnerability Summary Improper Check for Certificate Revocation vulnerability in Apache Tomcat. Both the OpenSSL and OpenSSL-FFM TLS implementations ignore CRLs when certificate uses a keystore. This issue affects Apache Tomcat: from 11.0.0-M1 up to and including 11.0.25, from 10.1.0-M1 up to and including 10.1.58, from 9.0.0-M1 up to and including 9.0.121. The following versions were EOL at ...

2026-09-24 11:51 UTC
CVE-2026-73581 - vulnerability database | Vulners.com

web:vulners.com

CVE-2026-73581 🗓️ 23 Sep 2026 04:08:53 Reported by apache Type cve 🔗 web.nvd.nist.gov 👁 11 Views

2026-09-24 11:51 UTC
CVE-2026-73581 - Detail CVSS, EPSS & CISA Kev | CVE Find

web:www.cvefind.com

Full details for CVE-2026-73581 : technical description, impact, CVSS/EPSS scores, linked CWE, CAPEC, affected CPEs, disclosure date, and mitigation options.

2026-09-24 11:51 UTC
CVE-2026-73581 - Apache Tomcat: OpenSSL and OpenSSL-FFM TLS ...

web:www.nmmapper.com

cve details for CVE-2026-73581 - Apache Tomcat: OpenSSL and OpenSSL-FFM TLS implementations ignore CRLs when certificate uses a keystore viewing details and related vulnerabilities.

2026-09-24 11:51 UTC
CVE-2026-73581: Apache Software Foundation Apache Tomcat ... - Rapid7

web:www.rapid7.com

CVE-2026-73581 : Apache Software Foundation Apache Tomcat: Improper Check for Certificate Revocation vulnerability in Apache Tomcat. View severity, references, and remediation details from Rapid7.

2026-09-24 11:51 UTC
CVE-2026-73581 | Tenable®

web:www.tenable.com

Improper Check for Certificate Revocation vulnerability in Apache Tomcat. Both the OpenSSL and OpenSSL-FFM TLS implementations ignore CRLs when certificate uses a keystore. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.58, from 9.0.0-M1 through 9.0.121. The following versions were EOL at the time the CVE was created but are known to be affected ...

2026-09-24 11:51 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-73581.json.

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